Home / 8,685,425.47-11,985,941.24-4,818,191.71

Finding the Fourth Proportional to 8,685,425.47, 11,985,941.24 and 4,818,191.71

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Solution

The fourth proportional to 8,685,425.47, 11,985,941.24 and 4,818,191.71 is: 6,649,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,425.47 : 11,985,941.24 = 4,818,191.71 : x
  2. Step 2: Convert to fraction form
    8,685,425.47/11,985,941.24 = 4,818,191.71/x
  3. Step 3: Cross multiply
    8,685,425.47x = 11,985,941.24 × 4,818,191.71
  4. Step 4: Simplify right side
    8,685,425.47x = 57,750,562,719,115.12
  5. Step 5: Solve for x
    x = 57,750,562,719,115.12/8,685,425.47
  6. Step 6: Final answer
    x = 6,649,134.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.